







士别三日,当刮目相待 is a Chinese idiom (chengyu) meaning “When someone has made significant progress or improvements”. One should not judge them based on their past self, but instead look at them with a fresh perspective and new appreciation. Literally, “A scholar gone for three days should be looked at with new eyes”.
During the Three Kingdoms period, Lu Meng, a general from Eastern Wu who was skilled in martial arts but lacked literary knowledge, began to study diligently after being persuaded by Sun Quan.
After a period of time, Governor Lu Su came to inspect Lu Meng's defensive post. Lu Meng discussed the preparations against the state of Shu in a clear and well-organized manner, and even presented a written proposal to Lu Su, which greatly astonished him.
Lu Meng then remarked, "When a scholar has been away for three days, one should look at him with new eyes."

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Open the tool →士别三日,当刮目相待 (shì bié sān rì , dāng guā mù xiāng dài) is a Chinese idiom (chengyu) meaning “When someone has made significant progress or improvements”.
士别三日,当刮目相待 is pronounced shì bié sān rì , dāng guā mù xiāng dài in Mandarin Chinese.
Literally, 士别三日,当刮目相待 means “a scholar gone for three days should be looked at with new eyes”. It is used to mean “When someone has made significant progress or improvements”.
士别三日,当刮目相待 comes from a classical Chinese story dating back to ancient China. The full story is on this page.
指别人已有进步,不能再用老眼光去看他。